Victor Vasarely "CASSIOPEE - R" Signed in black ball-point pen lower right: vasarely. Signed, titled, inscribed and dated in black felt-tip pen on the reverse: VASARELY "CASSIOPEE-R? 71 x 66 1957-61 vasarely 1957-1961 Acrylic, tempera and wood relief on wood 71 x 66 cm Formerly in the collection of Jean Dypréau, Brussels 71 x 66 cm